👤

1/2+5/6-(4/5+(3/4-2/3))

Răspuns :

1/2+5/6-(4/5+1/12)
1/2+5/6-53/60
27/60=9/20
= 1/2+5/6 - (4/5+ (9/12-8/12) = 1/2+5/6- (4/5+1/12) = 1/2+5/6 - 53/60= 
30/60+50/60 -53/60=27/60= 9/20